Mine-car wheel.



I. DONOHOB.

MINE GAR WHEEL.

APPLICATION FILED AUG. 6, 1009.

resident of Avella, in the county "c s'rairs THOMAS DUNOHOE, F AVELLA,PENNSYLVANIA. V

mun-can WHEEL.

access.

Specification of Letters Patent To all whom it may concern: I

Be it knownthat I, THoMAs lDononon', a, of Wash ington and State ofPennsylvania, havehin-j vented certain new and useful Improvements inMine-Car Wheels, of which the following is a specification.

' secured to the car body. Fig.

- Referring to the drawings, the rim.

spokes?) of the wheel here shown are cast The primary object of thisinvention isto provide an eficient roller bearing wheel for mine cars. r

h The invention is preferably embodled in a wheel of the cap type,

hub cast with a peripherally flanged extenof the hub extension maybearin plate 20,

i. e. a wheel having U the outer end of its hub closed, and with the,{hub formed to inclose the .sion at its inner end which is embraced andconfined by members secured to the car body. It will be understood,however, that the invention may be embodied in wheels of various typesandfor various uses. i In the accompanying drawings, Figure 1 is avertical longitudinal section, partly in elevation, of a wheel andbearing embodying the invention, the same being on line 11 of Fig. 2,and Fig. 2 is a section on the broken line 22 of Fig. 1. Figs. 3 and Lare details of the wheel holding members 5 is a crosssection on line 5-5of Fig. 1. I 2 and integral with hub The hub is of the cap type, withits outer Wall 5 inclosing the outer end of the hub cavity whichreceives axle 6. The hub is chambered at 7 to receive oil a'nd'pass itto the axle bearing through ports 8, the oil being admitted to chamber 7through ducts 9 extending from the oil opening in the outer face of wall5. Chamber 7 may be made continuous around the hub. excepting for webportions 11.

A further feature of the present embodiment is the integral annularextension 12 of the inner end of the hub, the extension be-' ingfiangedperipherally at 13, with said flanged extension embraced andconfined by members 14 and 15 secured by bolts 16 to Fear body 17 18arethe rollers carried by the hub for engaging axle (3. The outer end dfthe set of rollers bear in cavities 19 formed end ofthe hub cavity forthe other end of the set of for one end of a set of rollers, a eri Awasher 21 at the extremity be shrunk on the axle with a felt or otherpacking ring 22 ad extension 12.

1 06111. the ash ith an offset in members 16 and 17. g

lhe entire wheel, excepting rollers 18and is a single casting, and witht e rollers and said plate inserted the wheel is ready for service.

l. Acarvvheehhaving an axle-receiving outer end of the hub cavity and atsaid end provided with bearings for one endpf a set of rollers, a mem ercarried by the hub at theopposite to provide bearings rollers, androllers mounted in said bearings.

'2. A car wheelhaving an axle-receiving hub formedto inelose the outerend of the hub cavity and at said end provided with bearings for one endof a set of rollers, a peripheral flange at the oppositeend of the hub,a member applied to said flanged end to provide bearings for the otherend of the set of rollers, rollers mounted in said bearings, and wheelholding means secured to the car and embracing the hub flange.

3. A. car wheel having an axle-receiving hub with the hub cavity closedat its outer end, the wall of the cavity constituting the closed endformed with bearings for one end of-a set of rollers, an inserted memberat the opposite end of the hub cavity formed with bearings for the otherendof the set of rollers, and rollers mounted in said bearings.

4. A car wheel having an axle-receiving hub with the outer end of thehub cavity closed by a wall forming an integral portion thereof withcavities in said Wall forming bearings for one end of a set of rollers,the opposite end of the hub formed with a depression, a member receivedin said depression and-formed with bearing cavities for the opposite endof the set of rollers, an rollers mounted in said bearings.

5. A car wheel having an axle-receiving hub formed to inclose theouter'.end of the hub cavity and at gsai'd end having bearings flangedeXtensiomntthefiilpqSim We with Patented June "J, 191%. I

Application filed August 6, 1909. Serial No. 511,522.

I cured in a depression in the end face of hub l herally l hub, the. endface 'Ofi saidfextensioii formed In testimeny iifhereof'l afiixsignature grith a depression, a member fitted ifl said in presence oftwo witnesses, I

epression an havin bearin s for tie opr posite endof the set 01rollersiolle'rs m ount- T O 5 ed in said beari iggand wheel holdingmeans 'VVitnesses A secured to the car aiid embracing the flanged A. M.GARDNER,

hub extensiox f DA NmL J. MGGARRY.

